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    GFC-8270H数字频率计数器(台湾固纬) | 
     
   
 
 
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    GFC-8270H数字频率计数器的特点
- 提供频率、周期量测
 
- 微电脑控制
 
- 在高频与低频,均具高解析度
 
- 频率范围:0.01Hz ~ 2.7GHz 
 
- 高感度:10mVrms
 
- 1Hz 档解析度:100nHz
 
- 自我侦测诊断
 
- 可调式触发准位控制
 
- 显示锁定功能 
   
GFC-8270H数字频率计数器的技术参数: 
| 显示 |  
|   | 
8 位数 with Hz, kHz, MHz, GHz, S, mS, μS, nS and overflow |  
| Gate Time |  
|   | 
Continuously vary from 10mS to 10S, or 1 period of input depending on whichever is greater |  
| 准确度 |  
|   | 
+(解析度 + 时基误差) |  
| 频道 A  |  
| 范围 | 
DC 耦合 0.01Hz ~ 120MHz;AC 耦合 30Hz ~ 120MHz |  
| 感度 | 
10mVrms typical; 50mVrms max |  
| 耦合 | 
AC 或 DC, switchable |  
| 滤波器 | 
Low pass, switchable in or out for channel A. -3dB point of nominally 100kHz |  
| 阻抗 | 
1MΩ//40pF |  
| 衰减器 | 
x 20dB |  
| 触发准位调整 | 
-2.5 VDC to +2.5 VDC |  
| 解析度 | 
The maximum resolution for frequency measurement is 100nHz for 1Hz and 0.1Hz for 100MHz  input respectively, and for period measurement is 10nS for 1Hz and 0.1fS (f=10-15) for 100MHz input respectively. At least 7,6,5 digits are display for 1S, 100mS, 10mS gate time respectively |  
| Period Range | 
8nS to 100S at least 7 digits displayed for per second of gate time |  
| 频道 B  |  
| 范围 | 
50MHz to 2.7GHz |  
| 感度 | 
<50mVrms (10mVrms typical) |  
| 耦合 | 
AC only |  
| 时基 |  
| Aging Rate | 
1 ppm, per Month |  
| 温度 | 
5 ppm 23°C + 5°C |  
| 电源变化 | 
+0.005 ppm for +10% 变化 |  
| 使用电源  |  
|   | 
交流 100V/120V/220V/240V ±10%, 50/60Hz |  
| 附件  |  
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操作手册 × 1,,电源线 × 1,测试线 × 2 |  
| 尺寸及重量  |  
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230(宽) × 95(高) × 280(长) mm,约 2.2 公斤 |    | 
   
  
	| 上海君达代理销售GFC-8270H数字频率计数器,提供GFC-8270H数字频率计数器技术咨询以及GFC-8270H数字频率计数器的售后服务,如对GFC-8270H数字频率计数器感兴趣,请拨打电话021-64515630咨询! |   
 
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